期刊
JOURNAL OF CHROMATOGRAPHY B
卷 753, 期 2, 页码 253-257出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-4347(00)00552-1
关键词
formaldehyde
An HPLC method was developed for the determination of formaldehyde in human blood plasma. The method was based on the determination of the fluorescent product of the chemical reaction between formaldehyde and ampicillin. A 0.2-ml aliquot of blood plasma was reacted directly with ampicillin under acidic and heating conditions. The reaction product was extracted from the matrix with diethyl ether and analyzed by reversed-phase HPLC with fluorescence detection. Recoveries of spiked formaldehyde at the low ppm (mug/ml) level were between 93% and 102% with relative standard deviations less than 8%. The limits of detection and quantitation of formaldehyde in blood plasma samples were 0.46 mug/ml and 0.87 mug/ml, respectively. (C) 2001 Elsevier Science B.V. All rights reserved.
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